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Volume 32 Issue 2
Jan 2018
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Chinese Journal of High Pressure Physics  > 2018  >  32(2): 020102.
LEI Li, PU Meifang, FENG Leihao, QI Lei, ZHANG Leilei. Synthesis of Cubic Gauche Nitrogen (cg-N) under High Pressure and High Temperature[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 020102. doi: 10.11858/gywlxb.20170672
Citation: LEI Li, PU Meifang, FENG Leihao, QI Lei, ZHANG Leilei. Synthesis of Cubic Gauche Nitrogen (cg-N) under High Pressure and High Temperature[J]. Chinese Journal of High Pressure Physics, 2018, 32(2): 020102. doi: 10.11858/gywlxb.20170672
shu

Synthesis of Cubic Gauche Nitrogen (cg-N) under High Pressure and High Temperature

doi: 10.11858/gywlxb.20170672

  • Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China

  • Received Date: 06 Nov 2017
  • Rev Recd Date: 17 Nov 2017
    Abstract
  • Three-dimensional polymetric cubic gauche nitrogen (cg-N) combined with covalent N─N single bonds is an ideal high energy density material (HEDM).A series of solid molecular state-to-solid molecular state transitions (β-δ-ε-ζ-η) in nitrogen were observed in experiment upon pressurizing the molecular nitrogen up to 135.6GPa in ambient condition.Under 133.9GPa and at 2000K, the transparent cg-N was successfully synthesized using the double-side laser heating diamond-anvil cell (LHDAC) without any laser absorbing material.In addition, the pressure coefficient of the Raman A mode for cg-N is 1.56cm-1/GPa at about 134GPa.

     

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